40 #if !defined(_ECHO_MONITOR_H_) 41 #define _ECHO_MONITOR_H_ 43 #if defined(__cplusplus) 48 int start_echo_can_monitor(
int len);
49 int echo_can_monitor_can_update(
const int16_t *coeffs,
int len);
50 int echo_can_monitor_line_model_update(
const int32_t *coeffs,
int len);
51 int echo_can_monitor_line_spectrum_update(
const int16_t amp[],
int len);
52 void echo_can_monitor_wait_to_end(
void);
53 void echo_can_monitor_update_display(
void);
55 #if defined(__cplusplus)